. >>> it's the foundation to any good education, reading. but not all kids like to read. >> it's true. for some they need a little added motivation. our lady of grace in castro valley found the perfect plan. that's why they are cbs 5's "cool school" of the week. william briscoe is not your typical principal. he prides himself in knowing each an every one of of his 230 students. at castro valley's our lady of grace school. >> it's cool because after a week he was here, he learned our names. after one week. >> reporter: he is also a brilliant motivator. >> we're reading. >> reporter: he has given the kids incentive to hit the books. a month long reading challenge. >> this is a fox. >> reporter: the students read a combined 100,000 minutes in october of 2010. >> he is looking for dinner. >> reporter: the principal said they could green slime him with shampoo. guess what. he got slimed. >> the vo5 shampoo got under the goggles and i was temporarily blinded for five minutes so i had to kind of feel may way over to my office. >> sometimes you want